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Home >> Mercedes Benz >> 2025 >> GLB250 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - 247 Chassis >> Wiring Diagrams >> Wiring Diagram Of Stationary Heater (STH) Control Module >> Wiring Diagram Of Stationary Heater (STH) Control Module - PE83.70-P-2101-97IDA

Wiring Diagram Of Stationary Heater (STH) Control Module - PE83.70-P-2101-97IDA

Model 247 with code 228 (Additional warm water heating) 

Control unit A6 

Model 247 with code B24 (Remote control for Auxiliary heating) 

Control unit A6/1 

Code: Designation: Position:
A0 Use of wiring diagrams 80L
A2/109 Telephone antenna splitter 45L
A6 Stationary heater unit 4A
A6 Stationary heater unit 12A
A6 Stationary heater unit 20A
A6 Stationary heater unit 57A
A6 Stationary heater unit 28A
A6 Stationary heater unit 71A
A6/1 Stationary heater radio remote control receiver 35A
A6/1 Stationary heater radio remote control receiver 43A
A6/1 Stationary heater radio remote control receiver 65A
A6/1 Stationary heater radio remote control receiver 72A
Code 581 Automatic air conditioning 15F
Code 581 Automatic air conditioning 12F
Code 899 Wireless phone charging at front and antenna 42F
Code 899 Wireless phone charging at front and antenna 42F
Code B24 Remote control for stationary heater 30A
Code L LEFT-HAND DRIVE 24G
Code L LEFT-HAND DRIVE 26G
Code L LEFT-HAND DRIVE 69G
Code R RIGHT-HAND DRIVE 21G
Code R RIGHT-HAND DRIVE 31G
Code R RIGHT-HAND DRIVE 69J
F152/3 Engine compartment fuse and relay module 6L
F152/3f53 Fuse 53 4K
F152/4 Vehicle interior fuse and relay module 34L
F152/4f166 Electrical fuse 166 33K
N10 Central control module 15L
N10 Central control module 39L
W15/5 Left front footwell ground point 31K
W15/7 Right front footwell ground point 26K
W2 Right front engine compartment ground point 9K
W3/1 Ground point (right front wheel well) 20K
X25/14x1 Right engine compartment/vehicle interior electrical connector 22F
X25/14x2 Right engine compartment/vehicle interior electrical connector 20F
Y16 Stationary heater switchover valve 19L
Y23 Stationary heater fuel pump 24L
Z68/24z1 LIN B8-1 connector sleeve 16G
G14691106Courtesy of MERCEDES-BENZ USA
G14691107Courtesy of MERCEDES-BENZ USA
G14691108Courtesy of MERCEDES-BENZ USA
G14691109Courtesy of MERCEDES-BENZ USA
G14691110Courtesy of MERCEDES-BENZ USA